Expand analyzer version constraint, remove unused markdown dependency

Author: greglittlefield-wf

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## 1.5.0
 * Add `ResizeSensorProps.quickMount` flag for better performance when sensors are mounted often #46
 * Add missing quiver dependency (now depends on quiver `>=0.21.4 <0.25.0`)
+* Broaden analyzer dependency range to `>=0.26.1+3 <0.30.0` (was `>=0.26.1+3 <0.28.0`)
 
 ## 1.4.0
 

pubspec.yaml

@@ -7,7 +7,7 @@ authors:
 environment:
   sdk: ">=1.19.1"
 dependencies:
-  analyzer: ">=0.26.1+3 <0.28.0"
+  analyzer: ">=0.26.1+3 <0.30.0"
   barback: "^0.15.0"
   react: "^3.1.0"
   source_span: "^1.2.0"
@@ -19,7 +19,6 @@ dev_dependencies:
   matcher: ">=0.11.0 <0.13.0"
   coverage: "^0.7.2"
   dart_dev: "^1.0.5"
-  markdown: "^0.8.0"
   mockito: "^0.11.0"
   test: "^0.12.6+2"